﻿using System;
/*
    Create a program that assigns null values to an integer and to a double variable.
    Try to print these variables at the console.
    Try to add some number or the null literal to these variables and print the result.
 */
class NullValuesArithmetic
    {
        static void Main()
        {
            
            int? numInt = null;
            double? numDouble = null;
            Console.WriteLine("null", numInt);
            Console.WriteLine("null", numDouble);
            Console.WriteLine();

            numInt += 1;
            numDouble =+ 1;
            Console.WriteLine("null + 1", numInt);
            Console.WriteLine("null + 1", numDouble);
            Console.WriteLine();

            numInt = 1;
            numDouble = 1.1;
            Console.WriteLine("nothing", numInt);
            Console.WriteLine("nothing", numDouble);

        }
    }